For example,

They both do have the same denominator, so we can multiply them.
We need to multiply the numerators.
Next, multiply the denominators.
We then get:
1/4
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If the denominators are not the same, find the LCD (Least Common Denominator) of the two fractions. Then, follow above.
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Answer:
(4, –47)
Step-by-step explanations
I think this is the right answer but sorry if im wrong.
Answer:
(5 + 3y)(25 - 15y + 9y²)
Step-by-step explanation:
This is a sum of cubes and factors in general as
a³ + b³ = (a + b)(a² - ab + b²), thus
125 + 27y³
= 5³ + (3y)³ with a = 5 and b = 3y
= (5 + 3y)(5² - 5(3y) + (3y)² )
= (5 + 3y)(25 - 15y + 9y²)
5 divided by 1/2 equal to 10 becuase you need to find how many 1/2 rope can you get from 5